Infiniti QX56 (Z62). Manual — part 1391
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< DTC/CIRCUIT DIAGNOSIS >
WASHER SWITCH
WASHER SWITCH
Component Inspection
INFOID:0000000006300477
1.
CHECK WASHER SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect combination switch connector.
3.
Check continuity between the combination switch terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace combination switch (Wiper and washer switch).
A
: Terminal 4
B
: Terminal 6
C
: Terminal 3
D
: Terminal 1
JPLIA0164GB
Combination switch
Condition
Continuity
Terminal
3
4
Front washer switch ON
Existed
1
6
1
4
Rear washer switch ON
6
3
REAR WIPER MOTOR CIRCUIT
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< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
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N
O
P
REAR WIPER MOTOR CIRCUIT
Component Function Check
INFOID:0000000006300478
1.
CHECK REAR WIPER ON OPERATION
CONSULT-III ACTIVE TEST
1.
Select “RR WIPER” of BCM active test item.
2.
With operating the test item, check rear wiper operation.
Is rear wiper operation normally?
YES
>> Rear wiper motor circuit is normal.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000006300479
1.
CHECK REAR WIPER MOTOR OUTPUT VOLTAGE
CONSULT-III ACTIVE TEST
1.
Turn ignition switch OFF.
2.
Disconnect rear wiper motor connector.
3.
Turn ignition switch ON.
4.
Select “RR WIPER” of BCM active test item.
5.
With operating the test item, check voltage between rear wiper motor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK REAR WIPER MOTOR CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector.
3.
Check continuity between BCM harness connector and rear wiper motor harness connector.
4.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-81, "Removal and Installation"
NO
>> Repair or replace harness.
3.
CHECK REAR WIPER MOTOR GROUND OPEN CIRCUIT
Check continuity between rear wiper motor harness connector and ground.
On
: Rear wiper ON operation
Off
: Stop the rear wiper.
(+)
(
−
)
Condition
Voltage (Approx.)
Rear wiper motor
Connector
Terminal
D160
2
Ground
REAR WIPER
On
Battery voltage
Off
0 V
BCM
Rear wiper motor
Continuity
Connector
Terminal
Connector
Terminal
M70
54
D160
2
Existed
BCM
Ground
Continuity
Connector
Terminal
M70
54
Not existed
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< DTC/CIRCUIT DIAGNOSIS >
REAR WIPER MOTOR CIRCUIT
Is the inspection result normal?
YES
>> Replace rear wiper motor.
NO
>> Repair or replace harness.
Rear wiper motor
Ground
Continuity
Connector
Terminal
D160
4
Existed
REAR WIPER AUTO STOP SIGNAL CIRCUIT
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< DTC/CIRCUIT DIAGNOSIS >
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D
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REAR WIPER AUTO STOP SIGNAL CIRCUIT
Component Function Check
INFOID:0000000006300480
1.
CHECK REAR WIPER (AUTO STOP) OPERATION
CONSULT-III DATA MONITOR
1.
Select “WIPER” of BCM data monitor item.
2.
Operate the rear wiper.
3.
Check that “RR WIPER STOP” changes to “On” and “Off” linked with the wiper operation.
Is the status of item normal?
YES
>> Rear wiper auto stop signal circuit is normal.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000006300481
1.
CHECK REAR WIPER MOTOR (AUTO STOP) OUTPUT VOLTAGE
1.
Turn ignition switch OFF.
2.
Disconnect rear wiper motor connector.
3.
Turn ignition switch ON.
4.
Check voltage between rear wiper motor harness connector and ground.
Is the inspection result normal?
YES
>> Replace rear wiper motor.
NO
>> GO TO 2.
2.
CHECK REAR WIPER MOTOR (AUTO STOP) CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector.
3.
Check continuity between BCM harness connector and rear wiper motor harness connector.
4.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-81, "Removal and Installation"
NO
>> Repair or replace harness.
Monitor item
Condition
Monitor status
RR WIPER STOP
Rear wiper motor
Stop position
On
Except stop position
Off
(+)
(
−
)
Voltage (Approx.)
Rear wiper motor
Connector
Terminal
D160
3
Ground
Battery voltage
BCM
Rear wiper motor
Continuity
Connector
Terminal
Connector
Terminal
M70
44
D160
3
Existed
BCM
Ground
Continuity
Connector
Terminal
M70
44
Not existed
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